Fix issue #4866: [Bug]: OpenHands frontend UI still displays text after the message have been sent

frontend/src/components/chat-interface.tsx

@@ -155,7 +155,7 @@ export function ChatInterface() {
             curAgentState === AgentState.AWAITING_USER_CONFIRMATION
           }
           mode={curAgentState === AgentState.RUNNING ? "stop" : "submit"}
-          value={messageToSend ?? undefined}
+          value={messageToSend ?? ""}
           onChange={setMessageToSend}
         />
       </div>

openhands/runtime/impl/eventstream/eventstream_runtime.py

@@ -1,8 +1,8 @@
 import os
-from pathlib import Path
 import tempfile
 import threading
 from functools import lru_cache
+from pathlib import Path
 from typing import Callable
 from zipfile import ZipFile
 

openhands/runtime/impl/remote/remote_runtime.py

@@ -1,7 +1,7 @@
 import os
-from pathlib import Path
 import tempfile
 import threading
+from pathlib import Path
 from typing import Callable, Optional
 from zipfile import ZipFile
 

openhands/runtime/impl/runloop/runloop_runtime.py

@@ -190,7 +190,7 @@ class RunloopRuntime(EventStreamRuntime):
             prebuilt='openhands',
             launch_parameters=LaunchParameters(
                 available_ports=[self._sandbox_port],
-                resource_size_request="LARGE",
+                resource_size_request='LARGE',
             ),
             metadata={'container-name': self.container_name},
         )

pyproject.toml

@@ -93,6 +93,7 @@ reportlab = "*"
 [tool.coverage.run]
 concurrency = ["gevent"]
 
+
 [tool.poetry.group.runtime.dependencies]
 jupyterlab = "*"
 notebook = "*"
@@ -123,6 +124,7 @@ ignore = ["D1"]
 [tool.ruff.lint.pydocstyle]
 convention = "google"
 
+
 [tool.poetry.group.evaluation.dependencies]
 streamlit = "*"
 whatthepatch = "*"